D Dilipkumar

About D Dilipkumar

An accomplished Security Analyst and SOC Specialist with over 4+ years of progressive experience in cybersecurity operations, threat detection, and incident response across enterprise environments. Possessing deep hands-on expertise with industry-leading SIEM platforms including IBM QRadar, Splunk, ArcSight, LogRhythm, and Microsoft Sentinel, along with strong operational knowledge of Endpoint Detection and Response (EDR) technologies such as Microsoft Defender for Endpoint (MDE). Adept at safeguarding organizational assets by proactively identifying threats, analyzing security events, and implementing robust security controls aligned with industry best practices and business objectives.Throughout my professional journey, I have consistently demonstrated the ability to operate effectively in 24x7 SOC environments, managing high volumes of alerts while maintaining precision, efficiency, and adherence to strict SLAs. My experience spans across real-time security monitoring, log analysis, threat hunting, malware analysis, vulnerability assessment, incident response coordination, and continuous security posture improvement. I bring a strong analytical mindset combined with a practical, hands-on approach to cybersecurity challenges, enabling me to respond swiftly to evolving threats in dynamic and complex environments.

Experience

1. Security Specialist

   Cognizant

   Jun 2024 — Present · Chennai, IN

   Triage events, escalations, and incidents by leveraging SIEM tools like Splunk and QRadar, following predefined play-books, and applying offence rules to determine appropriate remediation and resolution actions.2. Oversee the team by resolving their issues and clarifying doubts, while providing clear instructions for handling alerts. Ensure all monitoring tools are functioning correctly, and in case of any issues, coordinate with the respective teams to restore them promptly.3. Conduct root cause analysis and troubleshoot complex problems related to existing security and privacy protocols.4. Provide incident response support, including evidence collection, documentation, communication, and reporting, while coordinating response activities across various teams or with stakeholders to remediate potential threats swiftly.5. Provide incident response support, including evidence collection, documentation, communication, and reporting, while coordinating response activities across various teams or with stakeholders to remediate potential threats swiftly.6. Leverage hands-on expertise with ServiceNow\'s incident management tool to handle incidents triggered by predefined rules and live alerts, prioritizing responses based on criticality.7. Recommend process improvements and fine-tuning of offence rules to minimise false positives, benign alerts, and unnecessary event processing.8. Document all work comprehensively through ticketing systems, operational briefs, and status reports.

Education

• Vel Tech Technical University

  Bachelor of Technology - BTech, Computer science and engineering( Networking and cybersecurity)

• velammal matriculation higher secondary school Thiruvallur

  Computer Science

  2015 — 2017